Originally Posted by Da-Scribe
I think the only problem with that, and I forget where I read this, but the timeline doesn't reset until he goes back to the future. So, if he stayed in the 70s, the whole point of him travelling back would be lost.
But then again, I suppose he could always go back a second time. Which will probably happen, as I believe whatever he does might lead to a darker future.
It's Wolverine's mind that travels, not his body. His future consciousness is transferred into his 1970s self. Once the past has been 'fixed', then the mind of future Wolverine travels back to the body of future Wolverine.
So there is still a Wolverine in the 1970s, and he could easily wear a more comic-accurate costume.